H.Sudarsana Rao, M. R. P. V. G. G. “Strength Performance Studies on E-Waste Cement Concrete With Metakaolin”. International Journal of Advanced Science and Technology, Vol. 28, no. 16, Dec. 2019, pp. 1366 -79, http://sersc.org/journals/index.php/IJAST/article/view/2102.